Merging black holes and neutron stars have unusual oval orbits prior to colliding and merging, which challenge the laws of ...

Using the world's most advanced radio telescopes, astronomers have discovered a spinning dead star so rare, strange and unique that they have dubbed it a "cosmic unicorn." The unique properties of ...

A newly analyzed gravitational-wave event has revealed something unexpected about one of the Universe’s most violent encounters. Scientists have found the first strong evidence that a black hole and a ...

Physicists have discovered a surprising new “Island of Inversion” in a place no one expected: among nuclei where the number of protons equals the number of neutrons. For decades, these strange regions ...

Astronomers analyzing the gravitational-wave event known as GW200105 report evidence that a black hole and neutron star ...

Using NASA’s Chandra X-ray Observatory and other telescopes, astronomers have traced a short-duration gamma-ray burst event called GRB 230906A to a faint dwarf galaxy embedded in a vast stream of ...

Scientists analyzing a gravitational-wave signal have discovered that a neutron star and black hole spiraled together on an ...

For more than 60 years, the High Flux Isotope Reactor has produced neutron beams for the benefit of society, creating real-world impacts that span energy security, quantum computing, healthcare, ...

Astronomers have tracked a powerful blast of radiation back to its source, finding a neutron star collision within colliding ...

CC0 Usage Conditions ApplyClick for more information. A bright blast of X-rays from a source in a distant galaxy has led astronomers to a fascinating discovery. Neutron stars are dense stellar objects ...

CC0 Usage Conditions ApplyClick for more information. A bright burst of X-rays has been discovered by NASA's Chandra X-ray Observatory in a galaxy 6.6 billion light years from Earth. This event likely ...